Although these solar candles are common on ebay, they seem hard to find in a realistic warm white colour. Fortunately it turns out to be quite easy to swap the LED out.

14 thoughts on “Hacking a solar powered led candle.”
  1. Avataaar/Circle Created with python_avatars furile furile says:

    I have one of those with a lihium coin cell, no solar. When you connect a speaker in the the batteryline it plays "Fur Elise" There is a music chip inside that they use to drive the led. It was a 4 pack with aluminium cups.

  2. Avataaar/Circle Created with python_avatars Maciej Załucki says:

    I have similar thing running flickering solar lanterns but it uses XY806 chip instead and has just single resistor on board.

  3. Avataaar/Circle Created with python_avatars Kudos1799 says:

    Why is it that White flicker LED's used in conjunction with a YX8018 set up work fine, yet Yellow & Warm White don't?

  4. Avataaar/Circle Created with python_avatars mauro fina says:

    good morning who is factory produce?

  5. Avataaar/Circle Created with python_avatars Amy says:

    You can get yellow/orange on AliExpress.

  6. Avataaar/Circle Created with python_avatars Jim 2705 says:

    It is a Chinesy trap and you fell for it Big Clive, they send all the candle lights to you and they know it bugs you so much you change them for them evil laugh insert here …………………

  7. Avataaar/Circle Created with python_avatars Jim 2705 says:

    I knew you would replace that with a warm white it was in your voice you were not happy with it LOL you are getting predictable.

  8. Avataaar/Circle Created with python_avatars betta67 says:

    Yeah, thanks! I just tried to replace an ordinary LED from solar garden light with a flickering teacandle LED because it's pins were corroded and broke. And that raised the question why it does not work. I searched for a "flickering tea candle LED datasheet with internal schematic"… to no avail though. I ended up putting the flickering yellow one in parallel with an ordinary non-flickering white one. It kind of works… but both flicker 😛 . And this raised the second question: Why?
    Does anyone has the internal schematic of the flickering LED? Bigclive gave the answer to the first question. Thanks!

  9. Avataaar/Circle Created with python_avatars Sm0rezDev says:

    free energy confirmed! the led is over the solar cell

  10. Avataaar/Circle Created with python_avatars Ian Holleman says:

    If you wanted to make it waterproof, could you not just pot it with epoxy/resin/silicone?

  11. Avataaar/Circle Created with python_avatars Sir Unknown says:

    In America we have most of our candles like that with warm white LED's so I find it odd that most of the ones you have are cold white

  12. Avataaar/Circle Created with python_avatars mark layton says:

    I think 'cool white' LED's should be banned …..they look awful on Christmas tree's as well .

  13. Avataaar/Circle Created with python_avatars inkey2 says:

    bright white is awful

  14. Avataaar/Circle Created with python_avatars Pyroslav x says:

    As far as i measured, anything but clear glass will absorb allmost all of sunlight going to the solar cell…
    and clear plastic or glass isnt that much better, without antireflex coating i measured bout 30-50% reduction inpower if you cover solar cells with CLEAR glass, and over 60% less power with CLEAR plastic (from cd case)…

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